Aspiration of maternal blood can cause acute respiratory distress in a neonate.
Patient selection: newborn infant
Clinical features:
(1) onset of acute respiratory distress soon after delivery
(2) history of maternal antepartum hemorrhage
(3) macroscopic hemoglobinuria
(4) evidence of blood on bronchoalveolar lavage, including high plasma protein concentration
(5) exclusion of other causes of acute respiratory distress
If blood is aspirated during bronchoalveolar lavage then it will match maternal blood.
